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Finding the Fourth Proportional to 15,025.14, 20,735.48 and 8,652.70

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Solution

The fourth proportional to 15,025.14, 20,735.48 and 8,652.70 is: 11,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025.14 : 20,735.48 = 8,652.70 : x
  2. Step 2: Convert to fraction form
    15,025.14/20,735.48 = 8,652.70/x
  3. Step 3: Cross multiply
    15,025.14x = 20,735.48 × 8,652.70
  4. Step 4: Simplify right side
    15,025.14x = 179,417,887.80
  5. Step 5: Solve for x
    x = 179,417,887.80/15,025.14
  6. Step 6: Final answer
    x = 11,941.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.